... 2007 August 26 . A Total Lunar Eclipse Over North Carolina . ... Explanation: This coming Tuesday, our Moon will appear to disappear . A similar total lunar eclipse is seen above in a time lapse image captured in 2003 over North Carolina , USA . ... In the above picture the Earth's rotation, multiple exposures, and digital enhancements are used to create a time-lapse effect that dramatizes how the Moon looked as it faded out and re-appeared during the three hour lunar eclipse . ...

... Mars to Appear Normal this August . ... October is the best month to see Mars this year. ... As Earth catches up to Mars in their respective orbits around the Sun, Mars will keep rising earlier in the night. On 2005 October 30, Earth will have caught up to Mars and the planets will be the nearest to each other in their orbits -- this time around. On October 30, Mars will be nearly opposite to the Sun, rise at sunset, set at sunrise, and appear highest and brightest around midnight. ...

... Circumstellar disc of beta Pictoris: constraints on grain properties from polarization. To appear in the Astronomy & Astrophysics . abs , src , ps ] . ... Dust influx to Titan from Hyperion . ... abs ] . ... Characteristics of bulges and disks in interacting galaxies . ... Dust grains around Herbig Ae/Be stars: porous, cometary-like grains? ... To appear in the Astronomy & Astrophysics Supplement . ... Finally, Links may lead you to more options (e.g. via the LANL preprint system). ...

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

... Fig. ... One of these is a pink-coloured solar prominence, a tongue of incandescent hydrogen gas spewing out of the obstructed solar disc, visible at the 2 o'clock position. ... Such an eclipse was predicted to be visible from deep within the Asian continent on the 1st August 2008. ... A pink-coloured prominence was visible right from the onset (Fig. 1), while several streamers appeared to emanate from the obstructed solar disk throughout the event (Fig. ... Last Revised: 2008 September 8th . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. August 18, 1999 . Sun Block . ... Explanation: During a total solar eclipse, Earth's moon blocks the sun - almost exactly. While the sun is about 400 times wider than the moon, it is also about 400 times farther away and each appears to be half a degree or so in diameter. ... Tomorrow's picture: Light From The Dark Sun . ... About APOD > . ...

... SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... Accidental Astrophysics: The Devil's In the Magnitudes, Part II . ... The star second to the Sun in brilliance is Sirius. ... Recall the magnitude system, passed down to us through a hundred generations of sky watchers, as a means of quantifying stellar brightness ("Accidental Astrophysics," May/June, p. 9). ... Yes, it is a magnitude difference, but that difference is due to the distance between us and the star. ...

... Bright spot spectra have been constructed by differencing the mean spectra observed at pre- and post-eclipse orbital phases. These difference spectra contain ultraviolet absorption lines and show the Balmer jump in emission. ... Model disk spectra constructed as ensembles of stellar atmospheres provide poor descriptions of the observed post-eclipse spectra, despite the fact that UX UMa's light should be dominated by the disk at this time. ... huizinga@stsci.edu . ...

... V838 Mon is a member of a new class of eruptive variables which appear as a peculiar novae having late K-M type spectra in their outburst. Before its outburst, it was a wide binary system of B3V type stars. ... The B3V companion was seen in the outburst in the UV spectrum taken with HST (Rauch et al., ... In the latest spectra, the light of B3V companion was predominating in the short-wave photometric bands. ... CCD blue frames of V838 Mon before the eclipse (left) and in the eclipse (right). ...

... Virginia Kilborn's program gfinder was run on 388 luthered and edge-masked HIPASS cubes , covering the whole southern sky, over all 1024 channels (i.e. -1281 to 12741 km/s), with an HI peak flux cutoff of 60 mJy/beam. ... The large number of candidates is mostly due to artifacts generated in areas of strong continuum flux, mostly the Galactic Plane, (causing a baseline ripple), the HI emission in our Galaxy, and lots of interference (1408 MHz birdie, GPS etc.) ... Number of galaxies: . ... galaxies ...

... Telescopes . ... The International Conference "Dark Ages and White Nights (Spectroscopy of the CMB)" (June 20-24, 2016) . ... The International Conference "Stars: from collapse to collapse" (October 3-7, 2016) . The traditional annual competition conference of scientific and scientific-engineering papers of the Observatory staff members . ... A session of the Dissertation Council (October 16, 2015) . ... International scientific conference "Large Optical Telescopes" (October, 10-13, 2011) . ...

... GSAOI Home . ... Picture Gallery . ... NIFS Cryostat and integration frame, as GSAOI will appear . NIFS cryostat, as GSAOI will appear . Cryostat in integration frame . Optical layout . ... Mechanical layout . ... Input beam splitter . ... Instrument integration ...

... Solar System . ... Milky Way . Stars . ... Blue-white Vega is of course one of the brightest stars in our night sky lying about 25 light years from us in Lyra. ... Also in Lyra is the double star Beta Lyrae (Sheliak). This is in fact a close eclipsing pair of B-class stars about 960 light years from the Sun and was only the second eclipsing binary system to be discovered after Algol. ... Planet of Beta Lyrae (from The New Challenge of the Stars by Patrick Moore & David Hardy 1977) . ...

European . ... Observatory . ... Science . ... Science Users Information > Science Publications > Archive of the ESO Enews > ESO-Enews #1: August 2006 . ... Data Handling and Products . ... ESO Data . ... Details at: http://www.popsud.org/elt2006/index.php . ... Details at: http://www.eso.org/science/projects/ukidss/index.html . ... More details at: http://www.eso.org/gen-fac/adm/pers/vacant/ESO_Director_General_2006.pdf . ... Details can be found at: http://www.eso.org/gen-fac/adm/pers/vacant/ . ...

The Sun's corona . ... For instance, short "plumes" rising from the polar regions of the Sun look very much like field lines coming out of the end of a bar magnet, and they therefore suggest that the Sun, in addition to the intense fields of sunspots, also has a global magnetic field like the Earth's. Arches above the . Sun's surface . ... It is brightest near sunspots, whose arched field lines apparently hamper the outflow of solar wind which carries away energy and helps cool the corona. ...

. Home . Documentation . Watchouts . Help . Calibration . Installation . Software requirements . Download . Notice that SOC-only packages like deceit, newsiam, odfcheck, etc , may appear listed in the list of all packages but no documentation is available for any of them. SAS User's Guide . HTML . PDF . PS . HEASARC ABC Guide (not up to date) . HTML . PDF . ps.gz . Pages maintained by SAS librarian . Any question about SAS should be addressed to the XMM-Newton help desk . Updated on: August 31, 2007

These images were taken at Moore Observatory in Louisville, Kentucky, and at Mt. Kent Observatory in Queensland, Australia, with Nikon D200 digital SLR cameras. ... 2:10 EDT (Full moon) . 3:19 EDT (Penumbral eclipse underway) . ... 5:22 EDT (Totality 30 minutes away) . ... 5:53 EDT (Totality) . ... Kent Observatory are Copyright 2007 by the University of Southern Queensland and Rhodes Hart. Images from Moore Observatory are Copyright 2007 by John Kielkopf , University of Louisville. ...

Title: A Dark-Matter Spike at the Galactic Center? Authors: Piero Ullio , HongSheng Zhao , Marc Kamionkowski . ... Title: The Galaxy Environment of Quasars in the Clowes-Campusano Large Quasar Group at z~1.3 . ... Title: The Galaxy Environment of a Quasar at z=1.226: A Possible Cluster Merger . ... 16 matches for the search pattern galaxy environment . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/galaxy+environment/0/1/0/past,all/0/0 www-admin@xxx.lanl.gov ...

... Gift Center . ... Why do aurorae appear strongest within rings centered on Earth's poles instead of filled-in circles? ... RELATED TOPICS: AURORAE . The visible aurorae result from electrons that move along magnetic field lines from space into the upper atmosphere. ... Just make sure you're registered with the website. Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

... Eclipses of the Moon in 2009 : . In 2009 there are four eclipses of the Moon (tree penumbral eclipses on February 9, July 7, and August 5-6 and a partial eclipse on December 31). ... Moon enters penumbra (P 1 ) . ... Moon leaves penumbra (P 4 ) . ... Eclipse, lunar : . ... It may be total (the Moon passing completely through the Earth's umbra ), partial (the Moon passing partially through the Earth's umbra at maximum eclipse), or penumbral (the Moon passing only through the Earth's penumbra ). ...